From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Gordon <david.s.gordon@intel.com>
Subject: Re: [PATCH 2/2] drm/i915/dmabuf: Pin pages as we flush
 for CPU access
Date: Fri, 6 May 2016 20:35:17 +0100
Message-ID: <572CF1F5.4070502@intel.com>
References: <1462545391-29308-1-git-send-email-chris@chris-wilson.co.uk>
 <1462545391-29308-2-git-send-email-chris@chris-wilson.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga04.intel.com (mga04.intel.com [192.55.52.120])
 by gabe.freedesktop.org (Postfix) with ESMTP id 43DE56EB26
 for <intel-gfx@lists.freedesktop.org>; Fri,  6 May 2016 19:35:19 +0000 (UTC)
In-Reply-To: <1462545391-29308-2-git-send-email-chris@chris-wilson.co.uk>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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=